Set the move timer and round time to unlimited. Then at the weapon options screen, press [X + Square] eight times. Now while playing the game, pause and select extra time. All worms will be reduced to one hit point. This is particularly useful it is your turn with one team left, and an airstrike is available.

Boxing match

Start a fire punch, quickly hold Square press R1, L1, Circle. Then, a boxing match featuring one worm from each team will begin. Now defeat your opponent using just punches and dragonballs. The normal game will resume after one worm is defeated.

Bonus levels

Enter one of the following passwords to play the corresponding bonus level:

Level

Password

Hell

Hades/666

Woods

Forest

Candyland

Candy

Junkyard

Junk

Martian

Mars

H. R. Giger-type Alien

Alien

Polar

Artic

Game Shark Codes

Infinite Energy P1 Worm 1

8014A54C 0064

Infinite Energy P2 Worm 1

8014A7FC 0064

Infinite Energy P1 Worm 2

8014A5F8 0064

Infinite Energy P2 Worm 2

8014A8A8 0064

Infinite Energy P1 Worm 3

8014A6A4 0064

Infinite Energy P2 Worm 3

8014A954 0064

Infinite Energy P1 Worm 4

8014A750 0064

Infinite Energy P2 Worm 4

8014AA00 0064

Exploding Rusty

8014A7B2 0002

Infinite Turn Timer

8014B7FC 0E11

Infinite Teleport P1 (All Worms)

8014B1CC 0002

Infinite Teleport P2 (All Worms)

8014B220 0002

Infinite Airstrikes P1 (All Worms)

8014B1C8 0002

Infinite Airstrikes P2 (All Worms)

8014B21C 0002

Infinite Sheep Bombs P1 (All Worms)

8014B1EC 0001

Infinite Sheep Bombs P2 (All Worms)

8014B240 0001

Infinite Dynamite P1 (All Worms)

8014B1C0 0001

Infinite Dynamite P2 (All Worms)

8014B214 0001

Infinite Homing Missiles P1 (All Worms)

8014B1A4 0002

Infinite Homing Missiles P2 (All Worms)

8014B1F8 0002

Infinite Cluster Bombs P1 (All Worms)

8014B1AC 0005

Infinite Cluster Bombs P2 (All Worms)

8014B200 0005

Infinite Mines P1 (All Worms)

8014B1C4 0002

Infinite Mines P2 (All Worms)

8014B218 0002

Infinite Girders P1 (All Worms)

8014B1E0 0003

Infinite Girders P2 (All Worms)

8014B234 0003

Always Your Turn [Note 1]

D0079EB4 00028014B1EC 0001

Switch Turns [Note 2]

D0079EB4 00088014B1EC 0000

Random Movie Player [Note 3]

D0079EB4 01008007A074 0001

Note 1: As long as you hold R2 it will always be your turn.

Note 2: Press R1 to switch between turns.

Note 3: At the title screen, press Select to play random FMV sequences in the game.